Device for controlling continuously variable transmission

Details Device for controlling continuously variable transmission Device for controlling continuously variable transmission

1984-06-11

1987-04-28

Herrmann, Allan D.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74856, 74868, B60K 4112

Patent

active

046604405

ABSTRACT:
Operation of a shift actuator system is monitored and a lock-up clutch in a torque converter or a fluid coupling is released when a shift operation monitoring signal has stayed unchanged for a predetermined time or the shift operation monitoring signal has stayed unchanged after a change in a shift command signal fed to the shift actuator system.

REFERENCES:
patent: 4174641 (1979-11-01), Hillman
patent: 4349088 (1982-09-01), Ito et al.
patent: 4393732 (1983-07-01), Suzuki et al.
patent: 4431095 (1984-02-01), Suga
patent: 4449618 (1984-05-01), Suga et al.
patent: 4457410 (1984-07-01), Suga et al.
patent: 4475416 (1984-10-01), Underwood
patent: 4495576 (1985-01-01), Ito
patent: 4499979 (1985-02-01), Suzuki et al.
patent: 4509124 (1985-04-01), Suzuki et al.
patent: 4510822 (1985-04-01), Yamamuro et al.
patent: 4522086 (1985-06-01), Haley
patent: 4526557 (1985-07-01), Tanaka et al.
patent: 4579021 (1986-04-01), Yamamuro et al.

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